package com.itheima.sh.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;


import java.util.Map;

@RestController
@RequestMapping("consumer")
public class ConsumerController {

@Autowired
    DiscoveryClient discoveryClient;
    @Autowired
    private RestTemplate restTemplate;

//    @GetMapping("{id}")
//    public Map queryById(@PathVariable("id") String id){
//        List<ServiceInstance> instances=discoveryClient.getInstances("user-service");
//        ServiceInstance serviceInstance=instances.get(0);
//        String host=serviceInstance.getHost();
//        int port = serviceInstance.getPort();
//        String url=serviceInstance.getUri().toString();
//
//        // 调用RestTemplate的getForObject方法，指定url地址和返回值类型
//        Map user = restTemplate.getForObject(url+"/user"+id, Map.class);
//        return user;
//    }


    @GetMapping("{id}")
    public Map queryById(@PathVariable("id") String id){
        String url = "http://user-service/user/" + id; // user-service 微服务名称
        Map user = restTemplate.getForObject(url, Map.class);
        return user;
    }
}
